Books 

  1. M. Kezunovic, J. Ren, S. Lotfifard, "Design, Modeling and Evaluation of Protective Relays for Power Systems" Springer, 2016. The software and manual of the book can be downloaded free of charge from: https://sgcbook.engr.tamu.edu/

Preprints

  1. H. Yazdani, A. Maleki, S. Lotfifard, A. Saberi "Multivariable Current Controller for Enhancing Dynamic Response and Grid Synchronization Stability of IBRs" arXiv preprint, arXiv:2509.08201, 2025.

  2. A. A. Stoorvogel, S. Lotfifard, A. Saberi "On MIMO Stability Analysis Methods Applied to Inverter-Based Resources Connected to Power Systems " arXiv preprint, arXiv:2510.20384, 2025.

  3. M. Rostami, S. Lotfifard, M. Kezunovic "Multi-layer Optimized Coordination of Smart Building Resources in Active Power Distribution Systems " arXiv preprint, arXiv:2510.20313, 2025.

  4. A. Shakeri Kahnamouei, S. Lotfifard "Graph Analysis to Fully Automate Fault Location Identification in Power Distribution Systems " arXiv preprint, arXiv:2510.19059, 2025.

  5. A. Shakeri Kahnamouei, S. Lotfifard "Time Domain Differential Equation Based Fault Location Identification in Mixed Overhead-Underground Power Distribution Systems" arXiv preprint, arXiv:2510.19070, 2025.

  6. S. Lotfifard "Teaching Electrical Model of Power Transformers to Undergraduate Students: Magnetic Circuit Approach" arXiv preprint, arXiv:2103.17257, 2021.

Journal Papers

  1. A. Shakeri Kahnamouei, S. Lotfifard, M. Rostami "Optimized Distribution Systems Reconfiguration Considering Protection Devices Constraints" IEEE Transactions on Power Delivery, vol.40, no.3, pp. 1267-1278, 2025.

  2. A. Shakeri Kahnamouei, S. Lotfifard, "Distribution Systems Fault Location Identification Using Mixed Datasets" IEEE Transactions on Power Delivery, vol.40, no.2, pp. 951-964, 2025.

  3. M. Azimi, S. Lotfifard, "Unified Damping Assignment Passivity based Controller for Power Conversion Units of Solar Power Plants" IEEE Transactions on Energy Conversion, vol.39, no.4, pp. 2258-2268, 2024.

  4. A. Shakeri Kahnamouei, S. Lotfifard, "Optimized Fault Location Identification in Power Distribution Systems with Inverter-Interfaced Distributed Generations" IEEE Transactions on Power Delivery, vol.38, no.5, pp. 3429-3440, 2023.

  5. M. Azimi, S. Lotfifard, "Supplementary Controller for Inverter-based Resources in Weak Power Grids" IEEE Transactions on Smart Grid, vol.13, no.4, pp. 2886-2896, 2022.

  6. A. Shakeri Kahnamouei, S. Lotfifard, "Enhancing Resilience of Distribution Networks by Coordinating Microgrids and Demand Response Programs in Service Restoration" IEEE Systems Journal, vol.16, no. 2, pp. 3048-3059, 2022.  

  7. M. Kezunovic, T. Dokic, A. Esmaeilian, A. Gopalakrishnan, Y. Liao, and S. Lotfifard "Fault Location: The models, methods and solutions" Wiley Encyclopedia of Electrical and Electronics Engineering, 2022.

  8. D. Nojavanzadeh, S. Lotfifard, Z. Liu, A. Saberi, A. A. Stoorvogel "Scale-free Distributed Cooperative Voltage Control of Inverter-based Microgrids with General Time-varying Communication Graphs" IEEE Transactions on Power Systems,  vol 37, no.3, pp. 2197-2207, 2022.

  9. S. Lotfifard, D. Nojavanzadeh, Z. Liu, A. Saberi, and A. A. Stoorvogel, "Distributed Cooperative Voltage Control of Multiterminal High Voltage DC Systems" IEEE Systems Journal, vol 16, no.1, pp. 176-184 , 2022. 

  10. M. Azimi, S. Lotfifard, "Supplementary Controller for Seamless Transitions between Microgrids Operation Modes" IEEE Transactions on Smart Grid, vol 12, no.3, pp. 2102-2112, 2021. 

  11. I. Kiaei, M. Rostami, S. Lotfifard,"Robust Decentralized Control of Synchronous Generators for Improving Transient Stability of Multi-machine Power Grids" IEEE Systems Journal, vol 15, no.3, pp. 3470-3479, 2021. 

  12. M. Azimi, S. Lotfifard,  "A Nonlinear Controller Design for Power Conversion Units in Islanded Micro-grids using Interconnection and Damping Assignment tracking control" IEEE Transactions on Sustainable Energy, vol. 12, no.1, pp. 284-292, 2021.

  13. M. Rostami, S. Lotfifard, "Optimal Remedial Actions in Power Systems Considering Wind Farm Grid Codes and UPFC" IEEE Transactions on Industrial Informatics, vol. 16, no.12, pp. 7264 - 727, 2020. 

  14. R. G. Bainy, K. M. Silva, S. Lotfifard, A. Guzman, and B. K. Johnson "Dynamic Zone Selection for Busbar Protection Based on Graph Theory and Boolean Algebra" IEEE Transactions on Power Delivery, vol. 35, no.4, pp. 1769-1778, 2020.

  15. M. Rostami, I. Kiaei, S.Lotfifard,"Improving Power Systems Transient Stability by Coordinated Control of Energy Storage Systems and Synchronous Generators in Presence of Measurement Noise" IEEE Systems Journal, vol.14, no.1, pp. 1088-1097, 2020.

  16. I. Kiaei, S. Lotfifard, "Fault Section Identification in Smart Distribution Systems Using Multi-source Data" IEEE Transactions on Smart Grid, vol. 11, no.1, pp. 74- 83, 2020.

  17. A. Mojallal, S. Lotfifard, M. Azimi, "A Nonlinear Supplementary Controller for Transient Response Improvement of Distributed Generations in Micro-grids" IEEE Transactions on Sustainable Energy, vol.11, no.1, pp. 36-45, 2020.

  18. A. Mojallal, S. Lotfifard, M. Azimi, "Fault Resilient Multi-Terminal HVDC Systems Using Distributed Corrective Power Dispatch" IET Generation, Transmission and Distribution, vol. 13, no.9, pp. 4391- 4399, 2019.

  19. M. Ghanatiaan, S. Lotfifard, "Sparsity Based Short Circuit Analysis of Power Distribution Systems with Inverter Interfaced Distributed Generators" IEEE Transactions on Power Systems, vol. 36, no. 6, pp. 4857-4868, 2019.

  20. I. Kiaei, S. Lotfifard, "A Two-stage Fault Location Identification Method in Multi-area Power Grids Using Heterogeneous Types of Data" IEEE Transactions on Industrial Informatics, vol. 15, no.7, pp. 4010 - 4020, 2019.

  21. M. Ghanatiaan, S. Lotfifard, "Control of Flywheel Energy Storage Systems in Presence of Uncertainties" IEEE Transactions on Sustainable Energy, vol.10, no.1, pp. 36-45, 2019.

  22. A. Mojallal, S. Lotfifard, "Enhancement of Grid Connected PV Arrays Fault Ride Through and Post Fault Recovery Performance" IEEE Transactions on Smart Grid, vol.10, no.1, pp. 546-555, 2019.

  23.  Mojallal, S. Lotfifard, "Improving During and Post Fault Response of Fuel Cells in Symmetrical and Asymmetrical Fault Cases" IEEE Transactions on Sustainable Energy, vol.  9, no. 3, pp. 1407-1418, 2018.

  24.  A. Mojallal, S. Lotfifard, "Multi-Physics Graphical Model based Fault Detection and Isolation in Wind Turbines" IEEE Transactions on Smart Grid, vol. 9, no.6, pp. 5599-5612, 2018.

  25. A. Mojallal, S. Lotfifard, "DFIG Wind Generators Fault Diagnosis Considering Parameter and Measurement Uncertainties" IEEE Transactions on Sustainable Energy, vol. 9, no. 2, pp. 792-804, 2018.

  26. M. Rostami, S.Lotfifard, "Scalable Coordinated Control of Energy Storage Systems for Enhancing Power Systems Angle Stability" IEEE Transactions on Sustainable Energy, vol. 9, no. 2, pp. 763-770, 2018.

  27. M. Rostami, S.Lotfifard, "Distributed Dynamic State Estimation of Power Systems" IEEE Transactions on Industrial Informatics, vol. 14, no. 8, pp. 3395-3404, 2018 .

  28. I. Kiaei, S. Lotfifard, A. Bose "Secure Loss of Excitation Detection Method for Synchronous Generators during Power Swing Conditions" IEEE Transactions on Energy Conversion, vol. 33, no. 4, pp. 1907-1916, 2018.

  29. I. Kiaei, S. Lotfifard, "Tube-Based Model Predictive Control of Energy Storage Systems for Enhancing Transient Stability of Power Systems" IEEE Transactions on Smart Grid, vol. 9, no. 6, pp. 6438-6447, 2018.   

  30. M. Azimi, S. Afsharnia, S. Lotfifard "Stabilizer Design for Heterogeneous Types of Distributed Generators in Micro-grids Operating in a Unified Control Mode" IEEE Systems Journal, vol. 12, no. 4, pp. 3673-3682, 2018. 

  31. S. Lotfifard, "Sparse Sensing Platform for Line-Outage Identification in Multi-Area Power Systems" IEEE Transactions on Industrial Informatics, vol. 13, no. 3, pp. 947-955, 2017.  

  32. A. Asrari, S. Lotfifard, M. Ansari, "Reconfiguration of Smart Distribution Systems with Time Varying Loads using Parallel Computing" IEEE Transactions on Smart Grid, vol. 7, no. 6, pp. 2713 - 2723, 2016.

  33. A. Asrari, T. Wu, S. Lotfifard "The Impacts of Distributed Energy Sources on Distribution Network Reconfiguration" IEEE Transactions on Energy Conversion, vol. 31, no. 2, pp. 606-613, 2016.

  34. A. Asrari, S. Lotfifard, M. S. Payam, "Pareto Dominance-Based Multiobjective Optimization Method for Distribution Network Reconfiguration" IEEE Transactions on Smart Grid, vol. 7, no. 3, pp. 1401-1410, 2016.

  35. H. V. Haghi,  S. Lotfifard, Z. Qu, "A Multivariate Predictive Model of Wind Power Data for Robust Optimization of Energy Storage" IEEE Transactions on Industrial Informatics, vol. 12, no. 4, pp. 1350-1360, 2016. 

  36. H. V. Haghi, S. Lotfifard, "Spatiotemporal Modeling of Wind Generation for Optimal Energy Storage Sizing" IEEE Transactions on Sustainable Energy, vol. 6, no. 1, pp. 113-121, 2015.

  37. N. M. Akram, S. Lotfifard, "Modeling and Health Monitoring of DC side of Photovoltaic Array" IEEE Transactions on Sustainable Energy, vol. 6, no. 4, pp. 1245-1253, 2015.

  38. M. Falahi, S. Lotfifard, M. Ehsani, K. Butler-Purry, "Dynamic Model Predictive Based Energy Management of DG Integrated Distribution Systems" IEEE Transactions on Power Delivery, vol. 28, no. 4, pp 2217-2227, 2013.

  39. A. Asrari, A. Kargarian, M. Hossein Javidi, M. Monfared, S. Lotfifard "A Stochastic Hybrid Method to Forecast Operating Reserve: Comparison of Fuzzy and Classical Set Theory" Electric Power Components and Systems, vol. 41, pp. 806- 823, 2013.

  40. S. Lotfifard, M. Kezunovic, M.J. Mousavi, "A Systematic Approach for Ranking Distribution Fault Location Algorithms and Eliminating False Estimates" IEEE Transactions on Power Delivery, vol. 28, no. 01, pp. 285 - 293, 2013.

  41. J. Faiz, B. M. Ebrahimi, S. Lotfi-fard, P. Pillay, "Novel Indices for Broken Rotor Bars Fault Diagnosis in Induction Motors Using Wavelet Transform" Mechanical Systems and Signal Processing, vol.30, pp. 131-145, 2012.  

  42. M. Ehsani,  M. Falahi, S. Lotfifard, "Vehicle to Grid Services, Potentials, and Applications" Energies, vol.5, pp. 4076-4090, 2012.  

  43.  S. Lotfifard, J. Faiz, M. Kezunovic, "Over-current Relay Implementation Assuring Fast and Secure Operation in Transient Conditions" Electric Power Systems Research, vol. 91, pp. 1-8, 2012.

  44. S. Lotfifard, M. Kezunovic, M.J. Mousavi, "Distribution Fault Location Using Voltage Sag Data" IEEE Transactions on Power Delivery, vol. 26, no. 2, pp 1239-1246, 2011.

  45. S. Lotfifard, J. Faiz, M. Kezunovic, "Detection of Symmetrical Faults by Distance Relays during Power Swings" IEEE   Transactions on Power Delivery, vol. 25, no. 1, pp. 81-87, 2010.    

  46. J. Faiz, S. Lotfi-fard, S. Haidarian Shahri "Prony-Based Optimal Bayes Fault Classification of Over-current Protection" IEEE Transactions on power Delivery, vol. 22, no. 3, pp. 1326-1334, 2007.

  47. S. Lotfi-fard, J. Faiz, M. R. Iravani "Improved Over-Current Protection using Symmetrical Components" IEEE Transactions on power Delivery, vol. 22, no. 2, pp.8 43-850, 2007.

  48. J. Faiz, S. Lotfi-fard, M.H.J. Bollen "Wavelet-based Mann and Morrison algorithm for improvement of three-phase unbalanced voltage dips characterization" IET Generation, Transmission and Distribution, vol.1, no. 4, pp. 640-646, 2007.

  49.  J. Faiz, S. Lotfi-fard "Adaptive Fuzzy System for Discrimination of Fault from Non-fault Switching in Over-current Protection" Electric Power Components and Systems, vol. 35, no. 12, pp. 1367-1384, 2007.

  50. J. Faiz, S. Lotfi-fard "A Novel Wavelet-based Algorithm for Discrimination of Internal Faults from Magnetizing Inrush Currents in Power Transformers" IEEE Transactions on power Delivery, vol. 21, no. 4, pp.1989-1996, 2006.

Project Reports

  1. H. Yazdani, S. Lotfifard "PSERC project T-66: Modeling, Characterization, and Suppression of Temporary Overvoltages in Power Grids with High Share of Inverter-Based Resources, Part I" 2024.

  2. H. Yazdani, S. Lotfifard "PSERC project T-65: Identification and Mitigation of T&D Operational Security Vulnerabilities in Inverter Dominated Power Systemss, Part I" 2023.

  3. A. Maleki, S. Lotfifard "PSERC project S-90: Grid Supporting Controllers for Enabling 100% Penetration of Inverter-Based Resources, Part III" 2023.

  4. I. Kiaei, S. Lotfifard, A. Bose "PSERC project S-66: Evaluation of Proyecyive Relay Dynamic Response by Utilizing Co-simulation Platform (PSS/E- CAPE), Part II" 2017.

Conference Papers

  1. M. Touhiduzzaman, A. Hahn, S. Lotfifard "A distributed cyberattack diagnosis scheme for malicious protection operation based on IEC 61850" Proceedings of the Fifth Annual Industrial Control System Security (ICSS) Workshop, 2019

  2. C. Eyisi, S. Lotfifard, "Load Estimation for Electric Power Distribution Networks" 46th Power Sources Conference, Orlando, FL, 2014, pp. 233-236.

  3. A. Asrari, S. Lotfifard, "Short-term Wind Power Prediction Using Incremental Learning Based Artificial Neural Network"  46th Power Sources Conference, Orlando, FL, 2014, pp. 127-130.

  4. A. Asrari, S. Lotfifard, "Application of a Dynamic Fuzzy based Genetic Algorithm for Distribution Network Reconfiguration" 2014 IEEE Innovations in Technology Conference (InnoTek2014), Warwick, RI, 2014.

  5. S. Lotfifard, L. Xie, M. Kezunovic, "Quantifying the Impact of Unscheduled Line Outages on Locational Marginal Prices" 42nd North American Power Symposium (NAPS), The University of Texas at Arlington, Texas, Sep. 26-28, 2010.